<!DOCTYPE html>
<html>
    <head>
	<meta charset="utf-8" />
		<title></title>
<!--[if lt IE 9]><!-->
    		<script src="http://code.jquery.com/jquery-1.11.3.min.js "></script>
<!--<![endif]-->
<!--[if gte IE 9]><!-->
			<script src="https://code.jquery.com/jquery-3.2.1.min.js "></script>
<!--<![endif]-->
	<script>
	$(document).ready(function(){
  $("form").submit(function(){
    alert("提交");
  });
});
</script>
</head>
<body>

<form action="">
First name: 
<input type="text" name="FirstName" value="Mickey"><br>
Last name: 
<input type="text" name="LastName" value="Mouse"><br>
<input type="submit" value="提交">
</form> 

</body>
</html>
